EP0914807A3 - Intravascular occlusion removal device - Google Patents

Intravascular occlusion removal device Download PDF

Info

Publication number
EP0914807A3
EP0914807A3 EP99102512A EP99102512A EP0914807A3 EP 0914807 A3 EP0914807 A3 EP 0914807A3 EP 99102512 A EP99102512 A EP 99102512A EP 99102512 A EP99102512 A EP 99102512A EP 0914807 A3 EP0914807 A3 EP 0914807A3
Authority
EP
European Patent Office
Prior art keywords
removal device
assembly
medium
occlusion removal
intravascular occlusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99102512A
Other languages
German (de)
French (fr)
Other versions
EP0914807B1 (en
EP0914807A2 (en
Inventor
Erik T. Engelson
Gene Samson
Kim Nguyen
Rose Y. Wong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boston Scientific Ltd Barbados
Original Assignee
Target Therapeutics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/686,304 external-priority patent/US6066158A/en
Application filed by Target Therapeutics Inc filed Critical Target Therapeutics Inc
Priority to EP04011672A priority Critical patent/EP1452142A1/en
Priority to EP20040005074 priority patent/EP1437097A1/en
Publication of EP0914807A2 publication Critical patent/EP0914807A2/en
Publication of EP0914807A3 publication Critical patent/EP0914807A3/en
Application granted granted Critical
Publication of EP0914807B1 publication Critical patent/EP0914807B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/32075—Pullback cutting; combined forward and pullback cutting, e.g. with cutters at both sides of the plaque
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
    • A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/01—Filters implantable into blood vessels
    • A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1095—Balloon catheters with special features or adapted for special applications with perfusion means for enabling blood circulation while the balloon is in an inflated state or in a deflated state, e.g. permanent by-pass within catheter shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02—Dilators made of swellable material

Abstract

The device (361) has a cage assembly (363) including a filter medium between open and closed ends. The medium has open areas through which fluids can flow. Emboli of a size greater than the open areas are captured in the medium. A core unit is attached to a portion of the assembly having a collapsed configuration and an expanded configuration. An actuator causes the assembly to expand after deployment.
EP99102512A 1996-07-25 1997-07-24 Intravascular occlusion removal device Expired - Lifetime EP0914807B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04011672A EP1452142A1 (en) 1996-07-25 1997-07-24 Embolism treatment device
EP20040005074 EP1437097A1 (en) 1996-07-25 1997-07-24 Embolism treatment device

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US686304 1996-07-25
US08/686,304 US6066158A (en) 1996-07-25 1996-07-25 Mechanical clot encasing and removal wire
US70115596A 1996-08-21 1996-08-21
US701155 1996-08-21
US869346 1997-06-05
US08/869,346 US5972019A (en) 1996-07-25 1997-06-05 Mechanical clot treatment device
EP97305562A EP0820729A1 (en) 1996-07-25 1997-07-24 Intravascular occlusion removal device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP97305562A Division EP0820729A1 (en) 1996-07-25 1997-07-24 Intravascular occlusion removal device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20040005074 Division EP1437097A1 (en) 1996-07-25 1997-07-24 Embolism treatment device
EP04011672A Division EP1452142A1 (en) 1996-07-25 1997-07-24 Embolism treatment device

Publications (3)

Publication Number Publication Date
EP0914807A2 EP0914807A2 (en) 1999-05-12
EP0914807A3 true EP0914807A3 (en) 1999-05-19
EP0914807B1 EP0914807B1 (en) 2004-05-19

Family

ID=27418469

Family Applications (4)

Application Number Title Priority Date Filing Date
EP99102512A Expired - Lifetime EP0914807B1 (en) 1996-07-25 1997-07-24 Intravascular occlusion removal device
EP20040005074 Withdrawn EP1437097A1 (en) 1996-07-25 1997-07-24 Embolism treatment device
EP97305562A Withdrawn EP0820729A1 (en) 1996-07-25 1997-07-24 Intravascular occlusion removal device
EP04011672A Withdrawn EP1452142A1 (en) 1996-07-25 1997-07-24 Embolism treatment device

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP20040005074 Withdrawn EP1437097A1 (en) 1996-07-25 1997-07-24 Embolism treatment device
EP97305562A Withdrawn EP0820729A1 (en) 1996-07-25 1997-07-24 Intravascular occlusion removal device
EP04011672A Withdrawn EP1452142A1 (en) 1996-07-25 1997-07-24 Embolism treatment device

Country Status (9)

Country Link
US (1) US5972019A (en)
EP (4) EP0914807B1 (en)
JP (2) JP3366835B2 (en)
KR (1) KR980008253A (en)
AT (1) ATE266973T1 (en)
AU (1) AU3081897A (en)
CA (1) CA2211516C (en)
DE (1) DE69729198T2 (en)
TW (1) TW354258B (en)

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* Cited by examiner, † Cited by third party
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